Home / 130,351.20-195,181.20-102,703.20

Finding the Fourth Proportional to 130,351.20, 195,181.20 and 102,703.20

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Solution

The fourth proportional to 130,351.20, 195,181.20 and 102,703.20 is: 153,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,351.20 : 195,181.20 = 102,703.20 : x
  2. Step 2: Convert to fraction form
    130,351.20/195,181.20 = 102,703.20/x
  3. Step 3: Cross multiply
    130,351.20x = 195,181.20 × 102,703.20
  4. Step 4: Simplify right side
    130,351.20x = 20,045,733,819.84
  5. Step 5: Solve for x
    x = 20,045,733,819.84/130,351.20
  6. Step 6: Final answer
    x = 153,782.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.